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发明名称
Improvements in methods of transforming varying electric currents
摘要
申请公布号
GB514316(A)
申请公布日期
1939.11.06
申请号
GB19380013038
申请日期
1938.05.02
申请人
FERNSEH AKTIENGESELLSCHAFT
发明人
分类号
H01F27/24
主分类号
H01F27/24
代理机构
代理人
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